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CPC Subgroup
F25B 41/34

with the valve member being actuated by electric means, e.g. by piezoelectric actuators

Full Title

Fluid-circulation arrangements > Expansion means; Dispositions thereof > Expansion valves > with the valve member being actuated by electric means, e.g. by piezoelectric actuators

3 direct subcodes

Child Classifications

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  • F25B 41/35 by rotary motors, e.g. by stepping motors
  • F25B 41/355 by electric heating of bimetal elements, shape memory elements or heat expanding elements

Top Applicants

Top 10 applicants by patent filingsfor class F25, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 9,415
  2. HAIER SMART HOME 8,015
  3. MITSUBISHI ELECTRIC CORPORATION JP 5,758
  4. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,827
  5. MIDEA 3,769
  6. GREE ELECTRIC APPLIANCES 3,417
  7. HAIER SMART HOME CN 3,403
  8. SAMSUNG ELECTRONICS COMPANY KR 3,329
  9. DAIKIN INDUSTRIES JP 2,908
  10. HEFEI MIDEA REFRIGERATOR COMPANY 2,186